1. School of Chemical Engineering Chonnam National University 77 Yong‐bong‐ro, Buk‐gu Gwangju 61186 Republic of Korea
2. Energy Convergence Core‐Facility Center Chonnam National University 77 Yong‐bong‐ro, Buk‐gu Gwangju 61186 Republic of Korea
3. Optoelectronics Convergence Device Research Center Chonnam National University 77 Yong‐bong‐ro, Buk‐gu Gwangju 61186 Republic of Korea
4. Optoelectronic Convergence Research Center Korea Photonics Technology Institute 9, Cheomdan Venture‐ro 108beon‐gil, Buk‐gu Gwangju 61007 Republic of Korea